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Research Progress

Molecular Design towards Efficient Polymer Solar Cell with High Polymer Content


Qian, D.; Ma, W.*; Li, Z.; Guo, X.; Zhang, S.; Ye, L.; Ade, H.; Tan, Z. a.*; Hou, J

J. Am. Chem. Soc. 2013, 135, 8464–8467.

A novel polythiophene derivative, PBT1, was designed, synthesized, and applied in polymer solar cells (PSCs). This work provides a successful example of using molecular structure as a tool to realize optimal photovoltaic performance with high polymer content, thus enabling the realization of efficient photoabsorption in very thin films. As a result, an efficiency of 6.88% was recorded in a PSC with a 75 nm active layer.